Chromite and Pyrrhotite Physical Properties

Chromite

Pyrrhotite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.5-4.84.58-4.65

1 7.18

1.5 Fracture

Uneven

1.6 Cleavage

None, parting may develop along {111}

Absent

1.7 Mohs Hardness

5.53.5-4.5

2 10

1.8 Chemical Composition

Fe++Cr2O4

Not Available

Chromite and Pyrrhotite Chemical Formula

While comparing Chromite and Pyrrhotite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Chromite and Pyrrhotite chemical formula.

Chemical formula of Chromite- Fe++Cr2O4

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Chromite and Pyrrhotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chromite and Pyrrhotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chromite and Pyrrhotite Optical Properties during the identification of gemstone. Specific gravity of Chromite is 4.58-4.65 whereas that of Pyrrhotite is 4.58-4.65.